Smiles, S. (1908). Self-help: With illustrations of conduct and perseverance. John Murray, Abermale Street.
Citace podle Chicago (17th ed.)Smiles, Samuel. Self-help: With Illustrations of Conduct and Perseverance. Londres: John Murray, Abermale Street, 1908.
Citace podle MLA (9th ed.)Smiles, Samuel. Self-help: With Illustrations of Conduct and Perseverance. John Murray, Abermale Street, 1908.
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